3.5MM CS X 109MM ID BLACK BUNA 70D

The H3.5X109 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 109 mm (4.291 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 116 mm (4.57 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists water, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to automotive brake fluid or ozone and direct sunlight will shorten service life.

It sees regular use in automotive, construction equipment, and general industrial maintenance.

This item is sold individually under part number H3.5X109. Unit weight is approximately 4.1869 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.